网上搜集，准确性未可知，仅供参考~··
美国西海岸加州化石点
https://www.google.com/maps/d/viewer?authuser=0&mid=1t4SV3bs4pkpiDQAQklhuz8bmF_A&ll=36.18045705035738%2C-119.658391740625&z=6
美国与加拿大（主要为美东）的化石点
https://www.google.com/maps/d/viewer?mid=1rEbhjaxH2hx7BXMPCHAq8ocVOcI&hl=en_US&ll=43.52717554659602%2C-63.74721309375002&z=3
美国密歇根州化石点
https://www.google.com/maps/d/viewer?mid=1KFK9E5DD_uPj6XQo5bMVd1_TzZc&hl=en&ll=43.73768496753497%2C-84.49860000000001&z=7
加拿大蒙特利的
https://www.google.com/maps/d/viewer?mid=12Yf7IozrN04S2NRf0xbzZwBGKHA&hl=en&ll=45.59381166057235%2C-73.7093286681137&z=10
美国辛西那提附近的
https://www.google.com/maps/d/viewer?mid=15d-wANCHGRb7X08UB6_h5UXxBBw&hl=en_US&ll=39.22326477870923%2C-83.94014401171876&z=9
美国西海岸加州化石点
https://www.google.com/maps/d/viewer?authuser=0&mid=1t4SV3bs4pkpiDQAQklhuz8bmF_A&ll=36.18045705035738%2C-119.658391740625&z=6
美国与加拿大（主要为美东）的化石点
https://www.google.com/maps/d/viewer?mid=1rEbhjaxH2hx7BXMPCHAq8ocVOcI&hl=en_US&ll=43.52717554659602%2C-63.74721309375002&z=3
美国密歇根州化石点
https://www.google.com/maps/d/viewer?mid=1KFK9E5DD_uPj6XQo5bMVd1_TzZc&hl=en&ll=43.73768496753497%2C-84.49860000000001&z=7
加拿大蒙特利的
https://www.google.com/maps/d/viewer?mid=12Yf7IozrN04S2NRf0xbzZwBGKHA&hl=en&ll=45.59381166057235%2C-73.7093286681137&z=10
美国辛西那提附近的
https://www.google.com/maps/d/viewer?mid=15d-wANCHGRb7X08UB6_h5UXxBBw&hl=en_US&ll=39.22326477870923%2C-83.94014401171876&z=9
